.app {
  width: 100%;
  height: 100vh;
  background-color: #ffffff;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.loading64 {
  width: 100px;
  height: 60px;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.circle64 {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  position: absolute;
  animation: eff64 2s ease-in-out infinite;
  mix-blend-mode: darken; /* 混合模式 */
  filter: blur(2px);
}

.circle64:nth-child(1) {
  background-color: #00ffff;
}
.circle64:nth-child(2) {
  background-color: #ffff00;
  animation-delay: 1s;
}

@keyframes eff64 {
  0%,
  50%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(70%);
  }
  75% {
    transform: translateX(-70%);
  }
}
